A-LevelPhysicsDynamicsOct/Nov 2016Paper 1 Q131 Mark
A light ball is falling vertically through air. The variation with time t of the resistive force Fᵣ acting on the ball is shown. [Figure 13.1] At which times are the speed of the ball zero, the speed at a maximum and the acceleration zero?
Azero speed: t₁, maximum speed: t₂, zero acceleration: t₁
Bzero speed: t₁, maximum speed: t₂, zero acceleration: t₂
Czero speed: t₂, maximum speed: t₁, zero acceleration: t₁
Dzero speed: t₂, maximum speed: t₁, zero acceleration: t₂
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The correct answer is B. This question tests the candidate's understanding of dynamics within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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